Finding the Fourth Proportional to 159,490.64, 239,236.26 and 149,747.60
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Solution
The fourth proportional to 159,490.64, 239,236.26 and 149,747.60 is: 224,621.68
Step by Step Solution
- Step 1: Write the proportion equation
159,490.64 : 239,236.26 = 149,747.60 : x - Step 2: Convert to fraction form
159,490.64/239,236.26 = 149,747.60/x - Step 3: Cross multiply
159,490.64x = 239,236.26 × 149,747.60 - Step 4: Simplify right side
159,490.64x = 35,825,055,767.98 - Step 5: Solve for x
x = 35,825,055,767.98/159,490.64 - Step 6: Final answer
x = 224,621.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.